Magnetic devices for changing video recordings

Details Magnetic devices for changing video recordings Magnetic devices for changing video recordings

1979-10-22

1982-09-07

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record editing

360 24, H04N 578

Patent

active

043486983

ABSTRACT:
A method of changing video recordings with or without audio information on a single video recording/playback unit, comprising reading the originally recorded signals of a first of several tracks on a recording medium and re-recording said signals on the same first track or on a second track, as well as erasing the originally recorded signals, in order to vacate tracks for further new recordings, and devices for carrying out said method. The devices include recording/playback and erase head combinations, and a circuit for separating, changing and re-recording the video and/or audio signals.

REFERENCES:
patent: 3223790 (1965-12-01), Brandt
patent: 3427398 (1969-02-01), Hemmerling et al.
patent: 3683164 (1972-08-01), Minami
patent: 3991265 (1976-11-01), Fukuda et al.
patent: 4001882 (1977-01-01), Fiori et al.
SMPTE Journal, vol. 87, No. 8, (1978.08), pp. 504-507.

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